<p>A process for deinking wastepaper with an aqueous system, which comprises: (a) contacting wastepaper with an aqueous system which contains an agent selected from the group consisting of: (i) a mixture of one or more quaternary ammonium salts and one or more smectite-type clays; and (ii) one or more organically modified smectite-type clays; and (b) recovering deinked paper pulp from the aqueous system. c</p>
申请公布号
DE69220844(T2)
申请公布日期
1997.11.06
申请号
DE1992620844T
申请日期
1992.03.02
申请人
RHEOX INTERNATIONAL, INC., HIGHTSTOWN, N.J., US
发明人
CODY, CHARLES A., ROBBINSVILLE, NEW JERSEY 08691, US;MAGAURAN, EDWARD D., MOUNT HOLLY, NEW JERSEY 08060, US
